namespace Foundation
{
    [Register("NSIndexSet", true)]
    public class NSIndexSet : NSObject, INSCoding, INSCopying, INSMutableCopying, INSSecureCoding, INativeObject, IDisposable
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("mutableCopyWithZone:")]
        [return: Release]
        public virtual NSObject! MutableCopy(NSZone? zone);
    }
}